“‘No, don’t bother,’ he said with a smile. ‘The trout don’t care about the leader going in one side of the fly. Why should they care about it coming out the other side?'” This piece on getting real about the efficiency of knots reminds me of a conversation I had with an old-time guide in Key West when I was first starting out. I asked him, “What kind of leader should I use for tarpon?” He said, “Well, first, tie four feet of anything to the fly line.” John Merwin in Field & Stream.